The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With fully forged receivers, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.
- Barrel Length:
- 11.85";Finish=Anodized"
- Fit:
- AR-15
- Caliber:
- 223 Wylde
- Manufacturer:
- Primary Weapons Systems
- Manufacturer Part No.:
- MK1-M1U-223-11
- Model:
- MK1
- Type:
- Upper
- Sub Category:
- Complete Upper Receivers
- Color:
- Black
- Prop 65 Warning:
- Prop65: CA PROP 65 WARNING: This product may contain chemicals known to the state of CA to cause cancer, birth defects or other reproductive harm.
